Christian Osterrieth

Hoyng Rokh Monegier - Germany

Of Counsel

Steinstraße 20,



Patent star 2023




Practice areas:

IP transactions
Patent litigation

Industry sectors:

Aerospace & defence

Christian Osterrieth has worked as an attorney since 1984. Since 1986 he has practiced exclusively in the field of national, European and international intellectual property law (technology law, trademark law and unfair competition law) and specializes in patent and trademark litigation as well as licensing.

Christian represents major and global clients in many technology driven industries, including electronics, automotive, medical devices and pharmaceuticals. His work is particularly focused on the development and implementation of litigation strategies in multinational patent litigation.

Following his second State Exam, Christian studied French and international intellectual property law at the Universities of Constancy and of Paris II (Université de Droit, d’Economie et des Sciences Sociales).

He is the author and co-author of various books and articles on intellectual property law and is a frequent speaker at international conferences relating to patent law, trademark law and licensing. In addition, Christian is honorary professor for patent law at the University of Constance and guest professor at the Universities of Strasbourg (CEIPI), France and Haifa, Israel.

From 2002 to 2004 he was President of the LES Licensing Executives Society in Germany and has acted as Vice-President of LES International (LESI) from 2012 to 2014. He is a member of the patent committee of GRUR, the German Intellectual Property Association, chairman of the IP Committee of the German Bar Association and a member of the patent committee of the Council of Bars and Law Societies of Europe (CCBE). 


  • University of Konstanz (PhD, 1986)
  • University of Paris II (Law 1982)
  • University of Konstanz (Law, 1979)

Network Memberships:

  • German Bar Association, Chairman of the IP Committee
  • Council of Bars and Law Societies of Europe (CCBE), member of the Patent Committee
  • German Association for the Protection of Intellectual Property (GRUR)
  • Licensing Executives Society (LES)
  • International Association for the Protection of Intellectual Property (AIPPI)
  • Association des Praticiens du Droit des Marques et des Modèles (APRAM)
  • International Association for the Advancement of Teaching and Research in Intellectual Property (ATRIP)
  • European Patent Lawyers Association (EPLAW)
  • Intellectual Property Owners Association (IPO)
  • The Intellectual Property Lawyers’ Organisation (TIPLO)
  • Association of Intellectual Property Experts (VPP)